Radiation surface-curable, room temperature vulcanizing silicone

Details Radiation surface-curable, room temperature vulcanizing silicone Radiation surface-curable, room temperature vulcanizing silicone

1994-07-15

1996-03-12

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

528 12, 528 17, 528 18, 528 32, 522 40, 522 44, 522 46, C08F 246

Patent

active

054986427

ABSTRACT:
A radiation surface-curable RTV silicone composition which subsequent to radiation surface curing thereof, is interiorly moisture-curable in character. Such radiation surface-curable, interiorly moisture-curable RTV silicone composition comprises: a silanol-containing silicone; a silane cross-linker for the silicone, such cross-linker having joined directly to a silicon atom thereof an ethylenically unsaturated functional group and at least two hydrolyzable functional groups; and a photoinitiator effective for radiation surface curing of the silicone composition. Also disclosed is a "liquid potting system" formulation, which is irradiated subsequent to dispensing thereof at the potting locus, so that the radiation surface-cured skin layer overlies and contains (cooperatively with the associated bounding surface(s) of the potting locus) the uncured liquid, so that the potted structure or material is encapsulated in a liquid (damping) medium.

REFERENCES:
patent: 4158617 (1979-06-01), Eldred
patent: 4528081 (1985-07-01), Lien et al.

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